Principled Functional Programming in Scala
A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable
Powerful new number types and numeric abstractions for Scala.
Optics library for Scala
Simple refinement types for Scala
Breeze is a numerical processing library for Scala.
A boilerplate-free library for loading configuration files
Simple, safe and intuitive Scala I/O
uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala
Scala combinator library for building Finagle HTTP services
The Play JSON library
Scala combinator library for working with binary data
A macro-based PEG parser generator for Scala 2.10+
A cohesive & pragmatic framework of FP centric Scala libraries
Scala-friendly companion to Typesafe config
Binary serialization library for efficient network communication
Generation of arbitrary case classes / ADTs instances with scalacheck and shapeless
Type-level & seamless command-line argument parsing for Scala
Super type-safe CSS for Scala and Scala.JS.